Two scarves can have the same length without being identical. As ... as compares a particular quality or quantity, not every feature of the two things.
The idea
Use as + base adjective or adverb + as: as long as, as fast as. Not as ... as usually means a lower degree of that quality. For quantity, use as many + plural noun + as or as much + uncountable noun + as. Just as emphasises equality.
Examples
- The red scarf is as long as the blue one.
- This chair isn't as comfortable as the sofa.
- Our new flat has as many windows as the old one.
- I drink as much water as my brother.
- Lea runs as fast as I do.
- Your answer is just as clear as mine.
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Watch out
Do not put a comparative inside the pattern: as long as, not as longer as. Keep the second as, not than. Follow the adjective's meaning: not as cheap means more expensive, while not as expensive means cheaper.
Try it yourself
Choose the correct form: The red scarf is as ___ as the blue one. (long / longer)
Show answer or example answer
long
The pattern requires the base adjective long. A comparative such as longer belongs with a different structure.
Choose the quantity word: Our new flat has as ___ windows as the old one. (many / much)
Show answer or example answer
many
Windows is a plural countable noun, so use as many windows as, not much.
The new chair costs €40; the old one cost €60. Compare their prices: The new chair is ___ the old one. (as expensive as / not as expensive as)
Show answer or example answer
not as expensive as
The new chair costs less, so it is not as expensive as the old one. The prices do not show equality.
Practice round
Answer questions and rebuild English sentences to practise. Your score is shown.
Choose the correct form: The red scarf is as ___ as the blue one. (long / longer)
Choose the quantity word: Our new flat has as ___ windows as the old one. (many / much)
The new chair costs €40; the old one cost €60. Compare their prices: The new chair is ___ the old one. (as expensive as / not as expensive as)
not as expensive as
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
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Compare two objects that share one quality but differ in another. Add a comparison of countable items and one of an uncountable amount, choosing many or much.